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HSQLDB - Lightweight 100% Java SQL Database Engine
/*
* For work developed by the HSQL Development Group:
*
* Copyright (c) 2001-2019, The HSQL Development Group
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* Neither the name of the HSQL Development Group nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL HSQL DEVELOPMENT GROUP, HSQLDB.ORG,
* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*
*
* For work originally developed by the Hypersonic SQL Group:
*
* Copyright (c) 1995-2000, The Hypersonic SQL Group.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* Neither the name of the Hypersonic SQL Group nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE HYPERSONIC SQL GROUP,
* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This software consists of voluntary contributions made by many individuals
* on behalf of the Hypersonic SQL Group.
*/
package org.hsqldb.util;
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.Random;
// sqlbob@users 20020401 - patch 1.7.0 by sqlbob (RMP) - enhancements
// sqlbob@users 20020407 - patch 1.7.0 - reengineering
// nickferguson@users 20021005 - patch 1.7.1 - enhancements
// fredt@users 20021012 - patch 1.7.1 - changes to test database DDL
// weconsultants@users 20041116 - patch 1.8.0 - in 'TestHelp' added 'IF EXISTS for both DROPS.
// Now catching the execption that was never caught before.
/**
* Common code in Swing and AWT versions of DatabaseManager
*
* New class based on Hypersonic original
*
* @author Thomas Mueller (Hypersonic SQL Group)
* @author Bob Preston (sqlbob@users dot sourceforge.net)
* @version 1.8.0
* @since 1.7.0
*/
class DatabaseManagerCommon {
private static Random rRandom = new Random(100);
static String[] selectHelp = {
"SELECT * FROM ",
"SELECT [LIMIT n m] [DISTINCT] \n"
+ "{ selectExpression | table.* | * } [, ... ] \n"
+ "[INTO [CACHED|TEMP|TEXT] newTable] \n" + "FROM tableList \n"
+ "[WHERE Expression] \n"
+ "[ORDER BY selectExpression [{ASC | DESC}] [, ...] ] \n"
+ "[GROUP BY Expression [, ...] ] \n" //
+ "[UNION [ALL] selectStatement]"
};
static String[] insertHelp = {
"INSERT INTO ",
"INSERT INTO table [ (column [,...] ) ] \n"
+ "{ VALUES(Expression [,...]) [,...] | SelectStatement }"
};
static String[] updateHelp = {
"UPDATE ",
"UPDATE table SET column = Expression [, ...] \n"
+ "[WHERE Expression]"
};
static String[] deleteHelp = {
"DELETE FROM ", "DELETE FROM table [WHERE Expression]"
};
static String[] createTableHelp = {
"CREATE TABLE ",
"CREATE [TEMP] [CACHED|MEMORY|TEXT] TABLE name \n"
+ "( columnDefinition [, ...] ) \n\n" + "columnDefinition: \n"
+ "column DataType [ [NOT] NULL] [PRIMARY KEY] \n" + "DataType: \n"
+ "{ INTEGER | DOUBLE | VARCHAR | DATE | TIME |... }"
};
static String[] dropTableHelp = {
"DROP TABLE ", "DROP TABLE table"
};
static String[] createIndexHelp = {
"CREATE INDEX ",
"CREATE [UNIQUE] INDEX index ON \n" + "table (column [, ...])"
};
static String[] dropIndexHelp = {
"DROP INDEX ", "DROP INDEX table.index"
};
static String[] checkpointHelp = {
"CHECKPOINT", "(HSQLDB SQL only)"
};
static String[] scriptHelp = {
"SCRIPT", "SCRIPT ['file']\n\n" + "(HSQLDB SQL only)"
};
static String[] shutdownHelp = {
"SHUTDOWN",
"SHUTDOWN [COMPACT|IMMEDIATELY|SCRIPT]\n\n" + "(HSQLDB SQL only)"
};
static String[] setHelp = {
"SET ",
"SET AUTOCOMMIT { TRUE | FALSE }\n"
+ "SET DATABASE COLLATION \"\"\n"
+ "SET FILES CHECKPOINT DEFRAG \n"
+ "SET DATABASE INITIAL SCHEMA \n" //
+ "SET FILES LOG SIZE \n" //
+ "SET MAXROWS maxrows\n" //
+ "SET PASSWORD \n" //
+ "SET FILES READ { ONLY | WRITE }\n" + "SET SCHEMA \n"
+ "SET TABLE READ { ONLY | WRITE }\n"
+ "SET TABLE SOURCE { ON | OFF }\n"
+ "SET TABLE SOURCE \"\" [DESC]\n" + "\n\n" //
+ "(HSQLDB SQL only)"
};
static String[] testHelp = {
"-->>>TEST<<<-- ;\n" + "--#1000;\n" + "DROP TABLE Test IF EXISTS;\n"
+ "CREATE TABLE Test(\n" + " Id INTEGER PRIMARY KEY,\n"
+ " FirstName VARCHAR(20),\n" + " Name VARCHAR(50),\n"
+ " ZIP INTEGER) ;\n" + "INSERT INTO Test \n"
+ " VALUES(#,'Julia','Peterson-Clancy',#) ;\n"
+ "UPDATE Test SET Name='Hans' WHERE Id=# ;\n"
+ "SELECT * FROM Test WHERE Id=# ;\n"
+ "DELETE FROM Test WHERE Id=# ;\n" + "DROP TABLE Test IF EXISTS;",
"This test script is parsed by the DatabaseManager\n"
+ "It may be changed manually. Rules:\n"
+ "- it must start with -->>>TEST<<<--.\n"
+ "- each line must end with ';' (no spaces after)\n"
+ "- lines starting with -- are comments\n"
+ "- lines starting with --# means set new count\n"
};
static String[] testDataSql = {
"SELECT * FROM Product", //
"SELECT * FROM Invoice", //
"SELECT * FROM Item",
"SELECT * FROM Customer a INNER JOIN Invoice i ON a.ID=i.CustomerID",
"SELECT * FROM Customer a LEFT OUTER JOIN Invoice i ON a.ID=i.CustomerID",
"SELECT * FROM Invoice d INNER JOIN Item i ON d.ID=i.InvoiceID",
"SELECT * FROM Customer WHERE Street LIKE '1%' ORDER BY Lastname",
"SELECT a.id, a.firstname, a.lastname, count(i.Total) \"COUNT\", "
+ "COALESCE(sum(i.Total), 0) \"TOTAL\", COALESCE(AVG(i.Total),0) \"AVG\" FROM Customer a "
+ "LEFT OUTER JOIN Invoice i ON a.ID=i.CustomerID GROUP BY a.id, a.firstname, a.lastname"
};
static String random(String[] s) {
return s[random(s.length)];
}
static int random(int i) {
return rRandom.nextInt(i);
}
static void createTestTables(Statement sStatement) {
String[] demo = {
"DROP TABLE Item IF EXISTS;", "DROP TABLE Invoice IF EXISTS;",
"DROP TABLE Product IF EXISTS;", "DROP TABLE Customer IF EXISTS;",
"CREATE TABLE Customer(ID INTEGER PRIMARY KEY,FirstName VARCHAR(20),"
+ "LastName VARCHAR(20),Street VARCHAR(20),City VARCHAR(20));",
"CREATE TABLE Product(ID INTEGER PRIMARY KEY,Name VARCHAR(20),"
+ "Price DECIMAL(10,2));",
"CREATE TABLE Invoice(ID INTEGER PRIMARY KEY,CustomerID INTEGER,"
+ "Total DECIMAL(10,2), FOREIGN KEY (CustomerId) "
+ "REFERENCES Customer(ID) ON DELETE CASCADE);",
"CREATE TABLE Item(InvoiceID INTEGER,Item INTEGER,"
+ "ProductID INTEGER,Quantity INTEGER,Cost DECIMAL(10,2),"
+ "PRIMARY KEY(InvoiceID,Item), "
+ "FOREIGN KEY (InvoiceId) REFERENCES "
+ "Invoice (ID) ON DELETE CASCADE, FOREIGN KEY (ProductId) "
+ "REFERENCES Product(ID) ON DELETE CASCADE);"
};
for (int i = 0; i < demo.length; i++) {
// drop table may fail
try {
sStatement.execute(demo[i]);
} catch (SQLException e) {
;
}
}
}
static String createTestData(Statement sStatement) throws SQLException {
String[] name = {
"White", "Karsen", "Smith", "Ringer", "May", "King", "Fuller",
"Miller", "Ott", "Sommer", "Schneider", "Steel", "Peterson",
"Heiniger", "Clancy"
};
String[] firstname = {
"Mary", "James", "Anne", "George", "Sylvia", "Robert", "Janet",
"Michael", "Andrew", "Bill", "Susanne", "Laura", "Bob", "Julia",
"John"
};
String[] street = {
"Upland Pl.", "College Av.", "- 20th Ave.", "Seventh Av."
};
String[] city = {
"New York", "Dallas", "Boston", "Chicago", "Seattle",
"San Francisco", "Berne", "Oslo", "Paris", "Lyon", "Palo Alto",
"Olten"
};
String[] product = {
"Iron", "Ice Tea", "Clock", "Chair", "Telephone", "Shoe"
};
int max = 50;
for (int i = 0; i < max; i++) {
sStatement.execute("INSERT INTO Customer VALUES(" + i + ",'"
+ random(firstname) + "','" + random(name)
+ "','" + random(554) + " " + random(street)
+ "','" + random(city) + "')");
sStatement.execute("INSERT INTO Product VALUES(" + i + ",'"
+ random(product) + " " + random(product)
+ "'," + (20 + 2 * random(120)) + ")");
}
for (int i = 0; i < max; i++) {
sStatement.execute("INSERT INTO Invoice VALUES(" + i + ","
+ random(max) + ",0.0)");
for (int j = random(20) + 2; j >= 0; j--) {
sStatement.execute("INSERT INTO Item VALUES(" + i + "," + j
+ "," + random(max) + ","
+ (1 + random(24)) + ",1.5)");
}
}
sStatement.execute("UPDATE Product SET Price=ROUND(Price*.1,2)");
sStatement.execute(
"UPDATE Item SET Cost=Cost*"
+ "(SELECT Price FROM Product prod WHERE ProductID=prod.ID)");
sStatement.execute(
"UPDATE Invoice SET Total=(SELECT SUM(Cost*"
+ "Quantity) FROM Item WHERE InvoiceID=Invoice.ID)");
return ("SELECT * FROM Customer");
}
/**
* Redid this file to remove sizing requirements and to make it faster
* Speeded it up 10 fold.
*
* @param file
*/
static String readFile(String file) {
try {
FileReader reader = new FileReader(file);
BufferedReader read = new BufferedReader(reader);
StringBuilder b = new StringBuilder();
String s = null;
int count = 0;
while ((s = read.readLine()) != null) {
count++;
b.append(s);
b.append('\n');
}
read.close();
reader.close();
return b.toString();
} catch (IOException e) {
return e.toString();
}
}
static void writeFile(String file, String text) {
try {
FileWriter write = new FileWriter(file);
write.write(text.toCharArray());
write.close();
} catch (IOException e) {
e.printStackTrace();
}
}
/**
* @throws SQLException
*/
static long testStatement(Statement sStatement, String sql,
int max) throws SQLException {
long start = System.currentTimeMillis();
if (sql.indexOf('#') == -1) {
max = 1;
}
for (int i = 0; i < max; i++) {
String s = sql;
while (true) {
int j = s.indexOf("#r#");
if (j == -1) {
break;
}
s = s.substring(0, j) + ((int) (Math.random() * i))
+ s.substring(j + 3);
}
while (true) {
int j = s.indexOf('#');
if (j == -1) {
break;
}
s = s.substring(0, j) + i + s.substring(j + 1);
}
sStatement.execute(s);
}
return (System.currentTimeMillis() - start);
}
private DatabaseManagerCommon() {}
}